[Development of chronic bronchitis in streetcar employees during 10 years].
D000368:Aged; D000397:Air Pollution; D001991:Bronchitis / Q000209:etiology*; D002908:Chronic Disease / Q000209:etiology; D003604:Czechoslovakia; D004562:Electrocardiography; D004781:Environmental Exposure; D006801:Humans; D008722:Methods; D008875:Middle Aged; D008906:Mining; D009784:Occupational Diseases / Q000209:etiology*; D011656:Pulmonary Emphysema / Q000209:etiology; D012129:Respiratory Function Tests
Vývoj vleklé bronchitidy u zamĕstnanců poulicní dráhy v průbĕhu deseti let.